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[cffLib] Use None instead of initialBounds

Browse Source 
https://github.com/fonttools/fonttools/pull/970#discussion_r117621101
This commit is contained in:
Masaya Nakamura 2017-05-22 15:30:05 +09:00
parent 68c7275945
commit 22dfcd94a1
1 changed files with 6 additions and 4 deletions
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8
Lib/fontTools/cffLib/__init__.py
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@ -2320,15 +2320,17 @@ class TopDict(BaseDict):
i = i + 1
def recalcFontBBox(self):
initialBounds = (float('inf'), float('inf'), float('-inf'), float('-inf'))
bounds = initialBounds
bounds = None
for charString in self.CharStrings.values():
if not hasattr(charString, 'bounds'):
charString.recalcBounds()
if charString.bounds is not None:
if bounds is not None:
bounds = unionRect(bounds, charString.bounds)
else:
bounds = charString.bounds
if bounds == initialBounds:
if bounds is None:
self.FontBBox = self.defaults['FontBBox'][:]
else:
self.FontBBox = list(intRect(bounds))